Metal Free Conducting PEDOS, PEDOT, and Their Analogues via an Unusual Bromine-Catalyzed Polymerization

Asit Patra, Vikash Agrawal, Ranoo Bhargav, Shahjad, Dinesh Bhardwaj, Suresh Chand, Yana Sheynin, Michael Bendikov

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A new molecular Br2-catalyzed polymerization of 2,5-dibromo-3,4-ethylenedioxyselenophene (DBEDOS), 2,5-dibromo-3,4-ethylenedioxythiophene (DBEDOT), and their analogues, providing metal free and virtually defect free conducting polymers under mild reaction conditions. The resulting poly(3,4-ethylenedioxyselenophene) (PEDOS), poly(3,4-ethylenedioxythiophene) (PEDOT) and their analogues are electroactive, highly conducting and shown optoelectronic properties practically identical to electrochemically prepared insoluble thin films. This polymerization is a rare example of metal free polymerization which lead to the formation of conjugated polymer. Details characterizations of the obtained polymers were carried out and spectroelectrochemistry of PEDOS-C12 film obtained by Br2-catalyzed polymerization suggest higher conductivity and transparency compared to PEDOS-C12 film obtained by other methods.

Original languageEnglish
Pages (from-to)8760-8764
Number of pages5
JournalMacromolecules
Volume48
Issue number24
DOIs
Publication statusPublished - Dec 22 2015

Fingerprint

Bromine
Metals
Polymerization
Spectroelectrochemistry
Conjugated polymers
Conducting polymers
Optoelectronic devices
Transparency
Polymers
Thin films
Defects
poly(3,4-ethylene dioxythiophene)

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry

Cite this

Metal Free Conducting PEDOS, PEDOT, and Their Analogues via an Unusual Bromine-Catalyzed Polymerization. / Patra, Asit; Agrawal, Vikash; Bhargav, Ranoo; Shahjad; Bhardwaj, Dinesh; Chand, Suresh; Sheynin, Yana; Bendikov, Michael.

In: Macromolecules, Vol. 48, No. 24, 22.12.2015, p. 8760-8764.

Research output: Contribution to journalArticle

Patra, A, Agrawal, V, Bhargav, R, Shahjad, Bhardwaj, D, Chand, S, Sheynin, Y & Bendikov, M 2015, 'Metal Free Conducting PEDOS, PEDOT, and Their Analogues via an Unusual Bromine-Catalyzed Polymerization', Macromolecules, vol. 48, no. 24, pp. 8760-8764. https://doi.org/10.1021/acs.macromol.5b01777
Patra, Asit ; Agrawal, Vikash ; Bhargav, Ranoo ; Shahjad ; Bhardwaj, Dinesh ; Chand, Suresh ; Sheynin, Yana ; Bendikov, Michael. / Metal Free Conducting PEDOS, PEDOT, and Their Analogues via an Unusual Bromine-Catalyzed Polymerization. In: Macromolecules. 2015 ; Vol. 48, No. 24. pp. 8760-8764.
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AU - Shahjad,

AU - Bhardwaj, Dinesh

AU - Chand, Suresh

AU - Sheynin, Yana

AU - Bendikov, Michael

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AB - A new molecular Br2-catalyzed polymerization of 2,5-dibromo-3,4-ethylenedioxyselenophene (DBEDOS), 2,5-dibromo-3,4-ethylenedioxythiophene (DBEDOT), and their analogues, providing metal free and virtually defect free conducting polymers under mild reaction conditions. The resulting poly(3,4-ethylenedioxyselenophene) (PEDOS), poly(3,4-ethylenedioxythiophene) (PEDOT) and their analogues are electroactive, highly conducting and shown optoelectronic properties practically identical to electrochemically prepared insoluble thin films. This polymerization is a rare example of metal free polymerization which lead to the formation of conjugated polymer. Details characterizations of the obtained polymers were carried out and spectroelectrochemistry of PEDOS-C12 film obtained by Br2-catalyzed polymerization suggest higher conductivity and transparency compared to PEDOS-C12 film obtained by other methods.

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